The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 31, 1993
Filed:
Jul. 31, 1991
Applicant:
Inventor:
Kenneth B Ocheltree, Ossining, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J / ;
U.S. Cl.
CPC ...
370 8512 ; 370 8514 ; 370 8515 ; 370 943 ; 34082502 ; 34082505 ;
Abstract
A method and apparatus for transmitting data and control information between a number of stations. This invention has a dual path communications medium with stations either directly connected to the medium or connected to the medium via single path trees. With this invention, data and control information are passed in reverse orders on different paths of the dual paths. Further, data and control information are passed in reverse orders on the single path of a tree connected to the medium.